Seiko Cal. 6636 - 682

The Seiko 6636-682 represents an important milestone in Seiko's 1974 lineup. Powered by the 6636 caliber with 21j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-e9f79cbc0993]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1974

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